2457738455 has 4 divisors (see below), whose sum is σ = 2949286152. Its totient is φ = 1966190760.

The previous prime is 2457738449. The next prime is 2457738509. The reversal of 2457738455 is 5548377542.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2457738455 - 2⁶ = 2457738391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245773841 + ... + 245773850.

It is an arithmetic number, because the mean of its divisors is an integer number (737321538).

Almost surely, 2^2457738455 is an apocalyptic number.

2457738455 is a deficient number, since it is larger than the sum of its proper divisors (491547697).

2457738455 is an equidigital number, since it uses as much as digits as its factorization.

2457738455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491547696.

The product of its digits is 4704000, while the sum is 50.

The square root of 2457738455 is about 49575.5832542593. The cubic root of 2457738455 is about 1349.5176063397.

The spelling of 2457738455 in words is "two billion, four hundred fifty-seven million, seven hundred thirty-eight thousand, four hundred fifty-five".